WARNING: This takes away your hunger sorry about that :(
Note: Minify the command to avoid issues :)
Summon The Wither Without Building It
OP Chestplate (you can fly a.k.a glide with this thing)
Omega Potion
Lucky Potion with Infininite time limit
Red Bull (Aka death and great for trolling)
God Potion
op
SUPER SPEED!!!!!!